{"type":"rich","version":"1.0","title":"Spatia Nostra wrote","author_name":"Spatia Nostra (npub18s…gnz5q)","author_url":"https://nostr.now/npub18sufer6dgm9gzvt8gw37x08dk8gxr8u80rh8f4rjv4m4u73wlalsygnz5q","provider_name":"njump","provider_url":"https://nostr.now","html":"cellar.nostr.wine works that way, but I don't think it's a spec, per se "}